What is the greatest common factor of 24 60 and 72?

The GCF of 24, 60, and 72 is 12.

A factor is a divisor - a number that will evenly divide into another number. The greatest common factor of two or more numbers is the largest factor that both numbers have in common.

One way to determine the common factors and greatest common factor is to find all the factors of the numbers and compare them.

The factors of 24 are 1, 2, 3, 4, 6, 8, 12, and 24.

The factors of 60 are 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, and 60.

The factors of 72 are 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, and 72.

The common factors are 1, 2, 3, 4, 6, and 12. Therefore, the greatest common factor is 12.
The GCF is 12.
Factors of 60: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60

Factors of 24: 1, 2, 3, 4, 6, 8, 12, 24

Factors of 72: 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72

GCF (60, 24, 72) = 12